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Question No. 35Interactive Test Mode
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Q35. Which of the following is/are unique characteristics/characteristics of equatorial forests ? 1. Presence of tall, closely set trees with crowns forming a continuous canopy 2. Coexistence of a large number of species 3. Presence of numerous varieties of epiphytes Select the correct answer using the codes given below :

Which of the following is/are unique characteristics/characteristics of equatorial forests ?

  1. Presence of tall, closely set trees with crowns forming a continuous canopy
  2. Coexistence of a large number of species
  3. Presence of numerous varieties of epiphytes Select the correct answer using the codes given below :
Select the correct option below (or cross out options to eliminate)

Official Answer Key & Detailed Solution

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Official UPSC Answer KeyUPSC Prelims 2013 • Geography

Correct Answer: Option (D) — 1, 2 and 3

Concept & Option Breakdown

Standard Reference Verified

Statement 1 is correct: Equatorial rainforests feature distinct multi-layered stratification with tall trees (30–45 m) creating a dense, continuous upper canopy that intercepts sunlight. Statement 2 is correct: Equatorial forests harbor the highest biodiversity of any terrestrial ecosystem, with hundreds of tree and animal species coexisting in small geographic areas. Statement 3 is correct: Due to abundant warmth, moisture, and high tree structures, epiphytes (such as orchids, bromeliads, mosses) flourish widely on branches and trunks.

Elimination Heuristic & Exam Approach

All three statements represent fundamental, non-contradictory botanical traits of tropical rainforest ecosystems.

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Question Specifications & Syllabus Mapping

Examination & YearUPSC Civil Services Preliminary Examination 2013 (Q35)
Paper & Marking SchemeGS Paper I • 2 Marks (-0.66 Negative for incorrect response)
Syllabus Subject & TopicGeography → Human & Political Geography
Official Answer KeyOption (D) — 1, 2 and 3

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Frequently Asked Questions — UPSC Prelims 2013 Q35

What is the official answer for UPSC Prelims 2013 GS Paper I Question 35 (Geography)?

The official UPSC answer key for this 2013 Geography (Human & Political Geography) question is Option (D): "1, 2 and 3". Correct attempts carry 2 Marks with -0.66 Negative penalty for wrong answers.

Which UPSC Prelims syllabus topic does this 2013 question belong to?

This question belongs to GS Paper I under the subject "Geography" and micro-topic "Human & Political Geography". You can explore all repeated questions from Human & Political Geography in Acme AI's 3D Prelims PYQ Realm or practice 50 full-length and sectional tests in the APT Prelims Test Series.

How can I solve this Human & Political Geography UPSC Prelims question using option elimination?

All three statements represent fundamental, noncontradictory botanical traits of tropical rainforest ecosystems.

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